Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2055

Sierra Leone
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2055
Population: 13,629,114

Year

-5 -1   2055  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Sierra Leone in 2055

By 2055, the population of Sierra Leone is expected to reach 13,629,115. Ten years before, in 2045, the projected population is 12,208,880 — 11.6% lower.

With a projected median age of 28.7 years, Sierra Leone would have a youth dependency ratio of 39.9 and an old-age dependency ratio of 9.3 per 100 people of working age. The near-vertical sides of the pyramid indicate a stationary age structure, with births roughly balancing the passage of cohorts into older age.

Ranks #89 of 201 by population Ranks #155 of 201 by median age Ranks #54 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Sierra Leone
Population
13,629,115
Median age
28.7
0-14 %
26.7%
65+ %
6.2%
Child dependency
39.9
Old-age dependency
9.3
Region
AFRICA
Pyramid shape
Stationary
Population 2050
12,948,325
Population 2100
15,934,257
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.79

In 2023 women in Sierra Leone had on average 3.79 children, above the replacement level of 2.1.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
203040506070
19602023 · 61.8

A child born there in 2023 could expect to live 61.8 years on average (63.5 years for girls, 60.1 for boys).

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
22456890
19502100
Migration to and from Sierra Leone
Where immigrants come from (2024)

49,156 immigrants live in Sierra Leone, 0.6% of the population.

Guinea33,542
Liberia8,462
Nigeria2,024
India892
Ghana874
Where emigrants live (2024)

63,631 people born in Sierra Leone live in other countries.

Senegal15,843
Liberia13,878
Guinea8,065
Nigeria4,679
Australia4,218
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Sierra Leone compares with its neighbours
Country Population Median age Relative size
Sierra Leone 13,629,115 28.7
Togo 16,808,373 25.2
Mauritania 10,300,450 24.5
Liberia 9,464,170 26.9
Gambia 4,561,378 28.7
Frequently asked questions about Sierra Leone's population
How many people are projected to live in Sierra Leone in 2055?
UN projections put Sierra Leone's population at 13,629,115 in 2055.
Is Sierra Leone's population growing or shrinking?
Yes, growing: up 11.6% from 2045, with a projected population of 12,948,325 in 2050.
What is the median age in Sierra Leone?
The median age in Sierra Leone is 28.7 years — half the population is younger, half older.
How many children and older people live in Sierra Leone?
In Sierra Leone, 26.7% of people are under 15 and 6.2% are 65 or older.
What type of population pyramid does Sierra Leone have?
Sierra Leone's pyramid is stationary — similar-sized cohorts through the younger ages, the signature of near-replacement fertility.

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